After three staff members are held hostage by burglars, it's up to Mrs. Slocombe, Mr. Harmond and Mr. Humphries to save the day - by posing as members of a mafia crime syndicate.
While the staff stay late at the store stocktaking, two burglars break into the store and capture Miss. Brahms, Captain Peacock and Mr.Spooner. While impersonating the most dangerous gangster family of the underworld, Mrs.Slocombe, Mr.Harman and Mr.Humphries pull out all the stops to get the police to the store and capture the burglars.—Nadia Nassar